[PATCH] sparc64: Reduce ptrace cache flushing

[pandora-kernel.git] / include / asm-sparc64 / cacheflush.h

diff --git a/include/asm-sparc64/cacheflush.h b/include/asm-sparc64/cacheflush.h
index 86f0293..51b26e8 100644 (file)
--- a/include/asm-sparc64/cacheflush.h
+++ b/include/asm-sparc64/cacheflush.h
@@ -49,16 +49,22 @@ extern void flush_dcache_page(struct page *page);
 #define flush_icache_page(vma, pg)     do { } while(0)
 #define flush_icache_user_range(vma,pg,adr,len)        do { } while (0)
 
-#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
-       do {                                                    \
-               flush_cache_page(vma, vaddr, page_to_pfn(page));\
-               memcpy(dst, src, len);                          \
+extern void flush_ptrace_access(struct vm_area_struct *, struct page *,
+                               unsigned long uaddr, void *kaddr,
+                               unsigned long len, int write);
+
+#define copy_to_user_page(vma, page, vaddr, dst, src, len)             \
+       do {                                                            \
+               flush_cache_page(vma, vaddr, page_to_pfn(page));        \
+               memcpy(dst, src, len);                                  \
+               flush_ptrace_access(vma, page, vaddr, src, len, 0);     \
        } while (0)
 
-#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
-       do {                                                    \
-               flush_cache_page(vma, vaddr, page_to_pfn(page));\
-               memcpy(dst, src, len);                          \
+#define copy_from_user_page(vma, page, vaddr, dst, src, len)           \
+       do {                                                            \
+               flush_cache_page(vma, vaddr, page_to_pfn(page));        \
+               memcpy(dst, src, len);                                  \
+               flush_ptrace_access(vma, page, vaddr, dst, len, 1);     \
        } while (0)
 
 #define flush_dcache_mmap_lock(mapping)                do { } while (0)